Pharmaceutical composition containing Sceptridium japonicum extract for preventing or treating stroke or degenerative brain diseases

Abstract

The present invention provides a pharmaceutical composition containing a Sceptridium japonicum extract, as an active ingredient, for preventing or treating stroke or degenerative brain diseases. The Sceptridium japonicum extract of the present invention has a protective effect on cranial nerves so as to exhibit a functional effect of preventing or treating stroke or various degenerative brain diseases.

The invention claimed is: 
     
       1. A method of treating a cerebral ischemia-induced degenerative brain disease, comprising administering to a subject in need thereof an effective amount of a composition comprising a  Sceptridium ternatum  extract as an active ingredient. 
     
     
       2. The method of  claim 1 , wherein the degenerative brain disease is dementia. 
     
     
       3. The method of  claim 1 , wherein the  Sceptridium ternatum  extract is obtained from a whole  Sceptridium ternatum  plant. 
     
     
       4. The method of  claim 1 , wherein the  Sceptridium ternatum  extract is obtained with an extraction solvent selected from the group consisting of water, an alcohol, and a mixture thereof.